Synthesis, structure and properties of polymers of the methyl ester of isoprene carboxylic acid obtained by anionic and radical polymerization

1970 ◽  
Vol 12 (3) ◽  
pp. 788-796 ◽  
Author(s):  
I.A. Arbuzova ◽  
V.N. Yefremova ◽  
A.G. Yeliseyeva ◽  
N.V. Mikhailova ◽  
V.N. Nikitin ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Methyl Ester ◽  
Radical Polymerization ◽  
Structure And Properties

Preparation of Thymidine-4'-C-carboxylic Acid and Its Derivatives

1997 ◽  
Vol 62 (7) ◽  
pp. 1128-1135 ◽  
Author(s):  
Hubert Hřebabecký ◽  
Antonín Holý
Keyword(s):  
Carboxylic Acid ◽  
Methyl Ester ◽  
Sodium Methoxide ◽  
Isopropyl Ester ◽  
Significant Activity

3',5'-Di-O-benzoyl-4'-C-hydroxymethylthymidine (3) was prepared in four steps from 3'-O-(tert-butyldimethylsilyl)-4'-C-hydroxymethylthymidine (1). Oxidation of 3 with pyridinium dichromate afforded 3',5'-di-O-benzoylthymidine-4'-C-carboxylic acid (4) which on debenzoylation gave free thymidine-4'-C-carboxylic acid, (3R,2S,5R)-3-hydroxy-2-hydroxymethyl-5-(5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)tetrahydrofuran-2-carboxylic acid, (5). Esterification of acid 5 with diazomethane afforded the methyl ester 6. Its isopropyl ester 7 was obtained by transesterification of the methyl ester 6. Reaction of ester 6 with ammonia and hydrazine led to the respective amide 8 and hydrazide 9. Upon reaction with 1,1'-carbonyldiimidazole, the protected acid 4 was converted into the corresponding imidazolide 11, which, without isolation, was treated with glycinamide, dimethylamine and aminoethanol to give aminocarbonylmethylamide 12a, N,N-dimethylamide 13a and hydroxyethylamide 14a, respectively. The free amides 12b, 13b and 14b were obtained by methanolysis of corresponding benzoates with methanolic sodium methoxide. Neither of the prepared compounds exhibited significant activity against HIV.

scholarly journals Thermodynamic Properties of Three Pyridine Carboxylic Acid Methyl Ester Isomers

2007 ◽  
Vol 52 (2) ◽  
pp. 580-585 ◽  
Author(s):  
Maria D. M. C. Ribeiro da Silva ◽  
Vera L. S. Freitas ◽  
Luís M. N. B. F. Santos ◽  
Michal Fulem ◽  
M. J. Sottomayor ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Methyl Ester ◽  
Thermodynamic Properties ◽  
Acid Methyl Ester ◽  
Pyridine Carboxylic Acid ◽  
Acid Methyl ◽  
Pyridine Carboxylic

Crystal Structure and Properties of the Carboxylic Acid Derivatives ofSchizonpeta mulifida(L.) Briq.

2008 ◽  
Vol 26 (6) ◽  
pp. 1129-1132 ◽  
Author(s):  
Ju-Tao LIU ◽  
Ji-Cheng YU ◽  
Hui-Ming JIANG ◽  
Li-Ying ZHANG ◽  
Xiao-Jing ZHAO ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Carboxylic Acid ◽  
Structure And Properties

3β-(4-Ethyl-3-iodophenyl)nortropane-2β- carboxylic Acid Methyl Ester as a High-Affinity Selective Ligand for the Serotonin Transporter

1997 ◽  
Vol 40 (24) ◽  
pp. 3861-3864 ◽  
Author(s):  
Bruce E. Blough ◽  
Philip Abraham ◽  
Andrew C. Mills ◽  
Anita H. Lewin ◽  
John W. Boja ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Methyl Ester ◽  
Serotonin Transporter ◽  
Acid Methyl Ester ◽  
High Affinity ◽  
Acid Methyl ◽  
Selective Ligand

Molecular and crystal structure of the methyl ester of 2-chloromercuri-3-trifluoroacetoxy-2,3-diphenylcyclopropane-1-carboxylic acid

1988 ◽  
Vol 28 (5) ◽  
pp. 726-730
Author(s):  
L. G. Kuz'mina ◽  
Yu. T. Struchkov ◽  
A. N. Chernov ◽  
V. R. Kartashov ◽  
N. V. Malisova ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Carboxylic Acid ◽  
Methyl Ester ◽  
Molecular And Crystal Structure

scholarly journals Isolation from Birch Wood of an Aliphatic Oligoterpene Alcohol, a Methyl Ester of Hydroxy-triterpene Carboxylic Acid, and a Triterpene Alcohol.

1964 ◽  
Vol 18 ◽  
pp. 836-837 ◽  
Author(s):  
Bengt O. Lindgren ◽  
E. Kulonen ◽  
K. Sune Larsson ◽  
Hans Halvarson ◽  
Lennart Nilsson
Keyword(s):  
Carboxylic Acid ◽  
Methyl Ester ◽  
Triterpene Alcohol ◽  
Birch Wood
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